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汉语拼音：dī wēn

较低的温度。在不同的情况下所指的具体数值不同，例如物理学上通常指低于液氮的温度（77K），有时也指低于液氦的温度（4.2K）。

1. 较低的温度。物理学上则指－192℃到－263℃的液态空气的温度。

• a cryogenic storage system

  低温冷藏系统

• Is it the low temperature that turns the water to ice?

  是低温使水变成冰的 吗 ?

• Cold rain crystallised into snow.

  雨水在低温情况下结晶变成雪.

• At a low temperature, water turns into ice.

  水在低温时就结成冰.

• I clean out all the grease and replace it with oil so it works better in very low temperatures.

  我把所有的油脂清除干净，然后用油来代替，从而使它在低温条件下运转得更好。

• Heat never flows spontaneously from a cooler to a hotter body.

  热决不会自发地从低温物体流向高温物体.

• Most common substances exist in the solid phast at low temperatures.

  大多数一般物质在低温下处于固态.

• In short, heat flows from the warmer to the cooler body.

  总之, 热总是从高温物体流向低温物体.

• The hydrides are then decomposed in a low - temperature flame.

  然后氢化物在低温火焰中分解.

• The stable low - temperature form of sulfur is rhombic sulfur.

  硫的低温稳定态为正交硫.

• Extreme winter cold is the main hazard in this area.

  冬季极端低温是本区主要的危险.

• Metals contract at low temperature.

  低温使金属收缩.

• Water freezes at a low temperature.

  水在低温时结冰.

• Lead fuses at a low temperature.

  铅在低温下就熔化.

• Low temperatures inhibited bacteria from developing.

  低温使细菌不能繁殖.